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Finding the Fourth Proportional to 1,937,041,984,920.90, 2,905,562,977,381.30 and 1,937,041,984,920.90

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Solution

The fourth proportional to 1,937,041,984,920.90, 2,905,562,977,381.30 and 1,937,041,984,920.90 is: 2,905,562,977,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,041,984,920.90 : 2,905,562,977,381.30 = 1,937,041,984,920.90 : x
  2. Step 2: Convert to fraction form
    1,937,041,984,920.90/2,905,562,977,381.30 = 1,937,041,984,920.90/x
  3. Step 3: Cross multiply
    1,937,041,984,920.90x = 2,905,562,977,381.30 × 1,937,041,984,920.90
  4. Step 4: Simplify right side
    1,937,041,984,920.90x = 5,628,197,477,019,352,664,375,296
  5. Step 5: Solve for x
    x = 5,628,197,477,019,352,664,375,296/1,937,041,984,920.90
  6. Step 6: Final answer
    x = 2,905,562,977,381.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.